[jira] [Created] (FELIX-5959) Exception on changecount timer timeout

["Raymond Augé (JIRA)" <ji...@apache.org>]

Raymond Augé created FELIX-5959:
-----------------------------------

             Summary: Exception on changecount timer timeout
                 Key: FELIX-5959
                 URL: https://issues.apache.org/jira/browse/FELIX-5959
             Project: Felix
          Issue Type: Bug
          Components: Declarative Services (SCR)
            Reporter: Raymond Augé
            Assignee: Raymond Augé
             Fix For: scr-2.1.12


When running a large system with complex and deeply nested component graph, the changecount timer can time out resulting in exceptions like:

{code}
    [junit] java.lang.IllegalStateException: Timer already cancelled.
    [junit] 	at java.util.Timer.sched(Timer.java:397)
    [junit] 	at java.util.Timer.schedule(Timer.java:193)
    [junit] 	at org.apache.felix.scr.impl.ComponentRegistry.updateChangeCount(ComponentRegistry.java:722)
    [junit] 	at org.apache.felix.scr.impl.BundleComponentActivator.updateChangeCount(BundleComponentActivator.java:777)
    [junit] 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.setState(AbstractComponentManager.java:1420)
    [junit] 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:806)
    [junit] 	at org.apache.felix.scr.impl.manager.DependencyManager.deactivateComponentManager(DependencyManager.java:2330)
    [junit] 	at org.apache.felix.scr.impl.manager.DependencyManager.access$400(DependencyManager.java:56)
    [junit] 	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.removedService(DependencyManager.java:1125)
    [junit] 	at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.removedService(DependencyManager.java:1007)
    [junit] 	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:1242)
    [junit] 	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerRemoved(ServiceTracker.java:1137)
    [junit] 	at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.untrack(ServiceTracker.java:997)
    [junit] 	at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1176)
    [junit] 	at org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:125)
    [junit] 	at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:109)
    [junit] 	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:891)
    [junit] 	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:804)
    [junit] 	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:222)
    [junit] 	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.unregisterServices(ServiceRegistry.java:668)
    [junit] 	at org.eclipse.osgi.internal.framework.BundleContextImpl.close(BundleContextImpl.java:96)
    [junit] 	at org.eclipse.osgi.internal.framework.EquinoxBundle.stopWorker0(EquinoxBundle.java:1018)
    [junit] 	at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.stopWorker(EquinoxBundle.java:359)
    [junit] 	at org.eclipse.osgi.container.Module.doStop(Module.java:636)
    [junit] 	at org.eclipse.osgi.container.Module.stop(Module.java:498)
    [junit] 	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.decStartLevel(ModuleContainer.java:1723)
    [junit] 	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1642)
    [junit] 	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1555)
    [junit] 	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
    [junit] 	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
    [junit] 	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)
{code}

There are two issues:
- the timeout is not configurable (hard coded to {{5000L}})
- the exception is not handled in a safe way (i.e. logged to an appropriate log which ends up in the system log)



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